Update 1: As of 12 PM. Heavy thunderstorms are possible with this storm system. With the thunderstorms, heavy downpours and intense lightning is expected. Flash flooding is also possible. 30 to 70 mm of rain is expected for the Fort St. John and Dawson Creek areas beginning late this evening and ending Friday night. It will depend on the area you live in.
The system is headed to Alberta for Saturday.
Heavy rainfall and thunderstorms beginning later this afternoon…
A low pressure system will slowly approach Central BC today then drift into the Prairies by Saturday.
Bands of moisture wrapping around this system will produce heavy rain beginning later this afternoon, particularly along the eastern slopes of the Rocky Mountains across Williston and the Peace Country.
Widespread rainfall totals of 50 to 70 mm are expected by Friday night with the higher amounts likely near Hudson’s Hope, Chetwynd and Tumbler Ridge.
Recreational areas along higher terrain and Route 97 through Pine Pass could see total rainfall amounts exceed 70 mm.
Additional rainfall amounts are expected Friday night followed by a clearing trend on Saturday as the weather system departs into the Prairies.
There is some uncertainty regarding rainfall amounts for urban areas over the Plains such as Fort St. John and Dawson Creek.
A slight shift in the storm track could shift heavy precipitation north or south of the populated centres.
Thunderstorms will also play a large role in the weather this weekend with locally intense downpours, gusty winds and lightning.
Rainfall warnings are issued when significant rainfall is expected.
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